<template>
	<view>
		<template>
			<view>
				<!-- 轮播图区域 -->
				<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
					<!-- 循环渲染轮播图的 item 项 -->
					<!-- <swiper-item v-for="(item, i) in swiperList" :key="i">
		        <view class="swiper-item"> -->
					<!-- 动态绑定图片的 src 属性 -->
					<!-- <image :src="item.image_src"></image>
		        </view>
		      </swiper-item> -->
					<swiper-item>
						<navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + 001">
							<image src="../../static/swiper001.jpg"></image>
						</navigator>
					</swiper-item>
					<swiper-item>
						<view class="swiper-item">
							<image src="../../static/swiper002.jpg"></image>
						</view>
					</swiper-item>
					<swiper-item>
						<view class="swiper-item">
							<image src="../../static/swiper003.jpg"></image>
						</view>
					</swiper-item>
				</swiper>

				<!-- 分类导航区域 -->
				<view class="nav-list">
					<view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
						<image :src="item.image_src" class="nav-img"></image>
					</view>

					<!-- <view class="nav-item">
			     <image src="../../static/fenlei.png" class="nav-img"></image>
			   </view> -->

				</view>

				<!-- 楼层区域 -->
				<view class="floor-list">
					<!-- 楼层 item 项 -->
					<view class="floor-item" v-for="(item, i) in floorList" :key="i">
						<!-- 楼层标题 -->
						<image :src="item.floor_title.image_src" class="floor-title"></image>
						<!-- 楼层图片区域 -->
						<view class="floor-img-box">
							<!-- 左侧大图片的盒子 -->
							<navigator class="left-img-box" :url="item.product_list[0].url">
								<image :src="item.product_list[0].image_src"
									:style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
							</navigator>
							<!-- 右侧 4 个小图片的盒子 -->
							<view class="right-img-box">
								    <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">

									<image :src="item2.image_src" mode="widthFix"
										:style="{width: item2.image_width + 'rpx'}"></image>
								</navigator>
							</view>
						</view>
					</view>
				</view>

			</view>
		</template>
	</view>

</template>

<script>
	export default {
		data() {
			return {
				// 1. 轮播图的数据列表，默认为空数组
				swiperList: [],
				//分类导航的数据列表
				navList: [{
						"name": "1",
						"image_src": "../../static/fenlei.png",
						"open_type": "switchTab",
						"navigator_url": "/pages/category/main"
					},
					{
						"name": "2",
						"image_src": "../../static/fenlei.png"
					},
					{
						"name": "3",
						"image_src": "../../static/fenlei.png"
					},
					{
						"name": "4",
						"image_src": "../../static/fenlei.png"
					}
				],
				// 楼层的数据列表
				floorList: []
			}
		},
		onLoad() {
			// 2. 在小程序页面刚加载的时候，调用获取轮播图数据的方法
			this.getSwiperList()
			this.getNavList()
			// 调用获取楼层数据的方法
			this.getFloorList()
		},
		methods: {
			// 3. 获取轮播图数据的方法
			async getSwiperList() {
				// 3.1 发起请求
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/home/swiperdata')
				// 3.2 请求失败
				if (res.meta.status !== 200) return uni.$showMsg()
				// 3.3 请求成功，为 data 中的数据赋值
				this.swiperList = res.message
				uni.$showMsg('数据请求成功')
			},
			async getNavList() {
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/home/catitems')
				if (res.meta.status !== 200) return uni.$showMsg()
				this.navList = this.navList
			},

			//定义获取楼层列表数据的方法
			async getFloorList() {
				const {
					data: res
				} = await uni.$http.get('/api/public/v1/home/floordata')
				if (res.meta.status !== 200) return uni.$showMsg()

				// 通过双层 forEach 循环，处理 URL 地址
				res.message.forEach(floor => {
					floor.product_list.forEach(prod => {
						prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
					})
				})
				this.floorList = res.message

			},

			// nav-item 项被点击时候的事件处理函数
			navClickHandler(item) {
				// 判断点击的是哪个 nav
				if (item.name === '1') {
					uni.switchTab({
						url: '/pages/cate/cate'
					})
				}
			}
		},
	}
</script>

<style lang="scss">
	swiper {
		height: 330rpx;

		.swiper-item,
		image {
			width: 100%;
			height: 100%;
		}
	}

	.nav-list {
		display: flex;
		justify-content: space-around;
		margin: 15px 0;

		.nav-img {
			width: 128rpx;
			height: 140rpx;
		}
	}

	.floor-title {
		height: 60rpx;
		width: 100%;
		display: flex;
	}

	.right-img-box {
		display: flex;
		flex-wrap: wrap;
		justify-content: space-around;
	}

	.floor-img-box {
		display: flex;
		padding-left: 10rpx;
	}
</style>
